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Finding the Fourth Proportional to 27,136.56, 37,450.72 and 15,199.68

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Solution

The fourth proportional to 27,136.56, 37,450.72 and 15,199.68 is: 20,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,136.56 : 37,450.72 = 15,199.68 : x
  2. Step 2: Convert to fraction form
    27,136.56/37,450.72 = 15,199.68/x
  3. Step 3: Cross multiply
    27,136.56x = 37,450.72 × 15,199.68
  4. Step 4: Simplify right side
    27,136.56x = 569,238,959.77
  5. Step 5: Solve for x
    x = 569,238,959.77/27,136.56
  6. Step 6: Final answer
    x = 20,976.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.